AreaConv, PerimConv  
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Menu:   Measure > Parameters  
Script:   SelectParam ("AreaConv","PerimConv")  

Select these parameters to compute the area and perimeter of polygons that form convex hulls of objects. A convex hall is defined as an imaginary elastic string, stretched around the object.

Both AreaConv and PerimConv are calculated using the contour integration technique, which treats convex hulls as filled polygons and disregards any holes and internal objects the objects might contain.

The parameters are returned in calibrated units.

Also see AreaOut
and PerimOut.